Juniors who have learned the basic rules and skills of tennis may begin competing in tournaments. In the Houston area, novice players may gain experience by competing in non-sanctioned tournaments. Non-sanctioned means that the match results are not used for ranking and rating purposes. USTA membership is not required. More competitive players may participate in the ZAT, Championship and Super Championship level tournaments. These are sanctioned events, offered by the USTA Texas Section. The results of sanctioned tournaments are used for ranking and rating. USTA membership is required. .

A USA Swimming national championship meet for swimmers 18 years old or younger. National meets are conducted in both short-course yards (in April) and long-course meters (in August).

A USS National Championship meet for swimmers 18 years old or less. Qualification times are necessary. National Meets are conducted both short course (in April) and long course (in August).

A match book produced by the Ohio Match Co. in direct competition to the Lion "Midget." Most collectors use the Lion trademarked category classification "Midget" for this entire size grouping. (See Midgets).

See CLASSIFICATION.

The Japanese word for Cruiserweights.

Students who have earned 55-88 semester credit hours.

Young companies in the initial stages of growth.